Home / 27,985,967.13-38,618,938.01-15,426,472.49

Finding the Fourth Proportional to 27,985,967.13, 38,618,938.01 and 15,426,472.49

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Solution

The fourth proportional to 27,985,967.13, 38,618,938.01 and 15,426,472.49 is: 21,287,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985,967.13 : 38,618,938.01 = 15,426,472.49 : x
  2. Step 2: Convert to fraction form
    27,985,967.13/38,618,938.01 = 15,426,472.49/x
  3. Step 3: Cross multiply
    27,985,967.13x = 38,618,938.01 × 15,426,472.49
  4. Step 4: Simplify right side
    27,985,967.13x = 595,753,984,649,751.88
  5. Step 5: Solve for x
    x = 595,753,984,649,751.88/27,985,967.13
  6. Step 6: Final answer
    x = 21,287,596.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.